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Código PHP:
<?php
$documento='cod_etica.pptx';
if (!isset($_GET['doc']) || empty($_GET['doc'])) {
exit();
}else{
$root = "descargas/";
//$file = basename($_GET['file']);
$file = basename($documento);
$path = $root.$file;
$type = '';
if (is_file($path)) {
$size = filesize($path);
if (function_exists('mime_content_type')) {
$type = mime_content_type($path);
} else if (function_exists('finfo_file')) {
$info = finfo_open(FILEINFO_MIME);
$type = finfo_file($info, $path);
finfo_close($info);
}
if ($type == '') {
$type = "application/force-download";
}
// Definir headers
header("Content-Type: $type");
header("Content-Disposition: attachment; filename=$file");
header("Content-Transfer-Encoding: binary");
header("Content-Length: " . $size);
// Descargar archivo
readfile($path);
header('Location: index.php');
} else {
die("El archivo no existe.");
}
}
?>